Until the early 1970s, physicians could rarely see inside the living brain without surgery. Computed tomography (CT) changed that by combining X-rays with computer reconstruction to create detailed cross-sectional images of the brain. For the first time, strokes, tumours, and bleeding could be identified quickly and non-invasively. Modern medical imaging began with CT and transformed neurological diagnosis.
Last Updated on October 6, 2026 | Published: September 17, 2026